*{margin:0;padding:0;list-style-type:none;}
.msb-side{
	position: fixed;
	width: 54px;
	top:200px;
	height:275px;
}

.msb-side ul li{
	width:54px;
	height:54px;
	float:left;
	position:relative;
	border-bottom:1px solid #444;
}

.msb-side ul li .sidebox{
	position:absolute;
	width:54px;
	height:54px;
	top:0;
	right:0;
	transition:all .3s;
	opacity:0.8;
	filter:Alpha(opacity=80);
	color:#fff;
	font:14px/54px "微软雅黑";
	overflow:hidden;
}

.r0{
	right:0px;
}
.l0{
	left:0px;
}